Peter 9bc996374f Add 'submodules/AsyncDisplayKit/' from commit '02bedc12816e251ad71777f9d2578329b6d2bef6'
git-subtree-dir: submodules/AsyncDisplayKit
git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632
git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
2019-06-11 18:42:43 +01:00

65 lines
3.2 KiB
Objective-C

//
// ASTextKitComponents.h
// Texture
//
// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
//
#import <UIKit/UIKit.h>
#import <AsyncDisplayKit/ASBaseDefines.h>
NS_ASSUME_NONNULL_BEGIN
@interface ASTextKitComponentsTextView : UITextView
- (instancetype)initWithFrame:(CGRect)frame textContainer:(nullable NSTextContainer *)textContainer NS_DESIGNATED_INITIALIZER;
- (nullable instancetype)initWithCoder:(NSCoder *)aDecoder __unavailable;
- (instancetype)init __unavailable;
@end
AS_SUBCLASSING_RESTRICTED
@interface ASTextKitComponents : NSObject
/**
@abstract Creates the stack of TextKit components.
@param attributedSeedString The attributed string to seed the returned text storage with, or nil to receive an blank text storage.
@param textContainerSize The size of the text-container. Typically, size specifies the constraining width of the layout, and CGFLOAT_MAX for height. Pass CGSizeZero if these components will be hooked up to a UITextView, which will manage the text container's size itself.
@return An `ASTextKitComponents` containing the created components. The text view component will be nil.
@discussion The returned components will be hooked up together, so they are ready for use as a system upon return.
*/
+ (instancetype)componentsWithAttributedSeedString:(nullable NSAttributedString *)attributedSeedString
textContainerSize:(CGSize)textContainerSize NS_RETURNS_RETAINED;
/**
@abstract Creates the stack of TextKit components.
@param textStorage The NSTextStorage to use.
@param textContainerSize The size of the text-container. Typically, size specifies the constraining width of the layout, and CGFLOAT_MAX for height. Pass CGSizeZero if these components will be hooked up to a UITextView, which will manage the text container's size itself.
@param layoutManager The NSLayoutManager to use.
@return An `ASTextKitComponents` containing the created components. The text view component will be nil.
@discussion The returned components will be hooked up together, so they are ready for use as a system upon return.
*/
+ (instancetype)componentsWithTextStorage:(NSTextStorage *)textStorage
textContainerSize:(CGSize)textContainerSize
layoutManager:(NSLayoutManager *)layoutManager NS_RETURNS_RETAINED;
/**
@abstract Returns the bounding size for the text view's text.
@param constrainedWidth The constraining width to be used during text-sizing. Usually, this value should be the receiver's calculated size.
@result A CGSize representing the bounding size for the receiver's text.
*/
- (CGSize)sizeForConstrainedWidth:(CGFloat)constrainedWidth;
- (CGSize)sizeForConstrainedWidth:(CGFloat)constrainedWidth
forMaxNumberOfLines:(NSInteger)numberOfLines;
@property (nonatomic, readonly) NSTextStorage *textStorage;
@property (nonatomic, readonly) NSTextContainer *textContainer;
@property (nonatomic, readonly) NSLayoutManager *layoutManager;
@property (nonatomic, nullable) ASTextKitComponentsTextView *textView;
@end
NS_ASSUME_NONNULL_END